Most households can install a 5kW solar panel system which has an average daily system output of 17kWh.

a. (3 marks) If you used all the solar power gained from the solar panels, approximately how much would your yearly electricity bill be reduced by per year?

Electricity O Issue date 13 Oct 2023 Tax invoice 40967679 origin Need help? 009 Faults and Endeavour Energy NV-758301-004553-42 emergencies 131 003 Energy Ombudsman 1800 246 545 O originenergy.com.au 13 24 61 Here's your bill Amount due Account details $289.86 New charges due 02 Nov 2023 Supply Address National Metering Identifier (NMI) 43101162359 Account number You can compare plans from other retailers on the Energy Made Easy website energymadeeasy.gov.au Energy Price Relief Plan The Australian Government and your State Government are supporting customers to reduce bills. Check the understand your bill section to see if you have received a rebate or concession. More information at energy.gov.au E-4553 S-8286 1-16571 How to pay Card* BPAY Most Post Billpay* Go to origin.com.au/pay or call B billpay Pay in person at any post office, 1300 658 783 PAY Biller Code: 130112 or go to postbillpay.com.au Ref: 200 000 418 455 Biller Code: 2958 Direct debit* Ref: 1200 0004 1845 5 Set up at origin.com.au/myaccount or call Centrepay 1300 832 854 For further information visit services australia.gov.au/centrepay Mail Origin CRN: 555083960H Origin Energy Electricity Lid ABN 33 071 052 287 Send this slip with your cheque payable to: Origin Energy Holdings Ref: 200000418455 Limited, GPO Box 2951 Sydney *2958 1 200000418455 NSW 2001 "Card payment fee may apply to the total payment amount (incl GST): debit card (Visa 0.24%, Mastercard 0.28%) credit card (Visa 0.56%, Mastercard 0.64%). For NSW customers 0.49%% if payment made at Australia Post. Conditions apply. Payment processing fee of the higher of $2.70 or 0.49% may apply exci NSW.Plan Summary Origin Go Variable Ending 23 Dec 2023 Understand your bill Billing period: 06 Jul 2023 to 09 Oct 2023 (96 days) This bill is based on an estimation Your distributor was not able to take a meter read. To request a new bill based on your reading, you can submit your own meter read before the due date. For guidance and requirements visit originenergy.com.au/selfmeterread Since your last bill Item Date Amount Opening Balance $394.42 Payments Received -$394.42 Payment received 16 Jul 2023 $394.42 Balance brought forward $0.00 New charges and credits Usage and supply charges Billing period: 06 Jul 2023 to 22 Aug 2023 (48 days) Item Description Units Price Amount Controlled Load 2 Usage 250 kWh $0.259380 $64.85 General Usage 581 KWh $0.372900 $216.65 Daily Supply - Controlled 48 days $0.115500 $5.54 Daily Supply 48 days $0.897820 $43.10 Total charges $330.14 E-4553 S-8286 1-16572 Assistance and support services Account balance Payment Assistance National Relay Service Payment extensions, instalment plans and To use the teletypewriter (TTY) service, $289.86 assistance through authorised welfare groups are please call 13 36 77. This is available for the available if you need it - head to cost of a local call. To use the Speak & Listen outstanding originenergy.com.au/ paymentassistance or service, please call 1300 555 727 call us on 13 24 61 for details. Use Centrepay to make regular deductions from Need an interpreter? your Centrelink payment. Centrepay is a Call 1300 137 427 voluntary and easy payment option available to Centrelink customers. Interpreter Go to servicesaustralia.gov.au/ centrepay for Sarvicio Telefonica de Interpreters para otros idomas. more information on how to set up your Per lingue oltre allinglese contattate if Servizio d'interpretariato Teleforico Dich vy thing dich qua dien those cho nhung noon nou khac khong pho siding Ann Centrepay deductions. Thispuvikn Yipcola Alepurview VID GAAEC YANODER EKTOC Inc ayYAKIs +200000418455> +9241+ +444+Understand your bill (continued) Solar exports Item Description Units Price Amount Solar feed-in credit 258 kWh $-0.070000 -$18.06 (incl GST, if any) Total exports -$18.06 Usage and supply charges Billing period: 23 Aug 2023 to 09 Oct 2023 (48 days) Item Description Units Price Amount General Usage 381.0570 kWh $0.372900 $142.10 Controlled Load 2 Usage 85.1620 kWh $0.259380 $22.09 Daily Supply - Controlled 48 days $0.115500 $5.54 Daily Supply 48 days $0.897820 $43.10 Total charges $212.83 Solar exports Item Description Units Price Amount Solar feed-in credit 394.2170 kWh $-0.070000 $27.59 (incl GST, if any) Total exports -$27.59 Credits Date Item Amount 31 Jul 2023 NSW-AUS Gov Bill Relief (non-taxable, no GST) $125.00 09 Oct 2023 NSW Gvt Household rebate (06 Jul 2023 - 09 Oct 2023) (incl GST of $7.50) $82.45 Total credits -$207.45 Your total for this bill $289.87 GST included in total $41.87 *All amounts include GST, unless otherwise specified Account Balance $289.86 E-4553 S-8287 1-16573 Meter details Meter Read type Start read End read Usage (kWh) 1010819 Actual 31640 31890 250 2506107 Actual 34706 35287 581 2506108 Actual 21391 21649 258 LG12D099355 Estimate 381.102 381.057Understand your bill (continued) Meter Read type Start read End read Usage (kWh) LG12D099355 Estimate 394.647 394.217 LG12D099355 Estimate 85.583 85.162 Total KWh 1949.436 Average daily usage and exports This bill This time last year 65.65% decrease in usage since last year 13.51 kWh 6.79 kWh 30.46 kWh 4.55 kWh Energy usage Solar exports Compare your usage over time 3000 2.05 2400 1.64 1800 1.23 1200 0.82 600 0.41 KWh tonnes Jul - Sep 22 Sep 22 - Jan 23 Jan - Mar 23 Mar - Jul 23 Jul - Oct 23 Energy usage Solar exports Greenhouse gas emissions E-4553 S-8287 1-16574